Sari, Kartika, Sunardi, Sunardi, Anggraeni, Inggit, Prisca, Salsabilla, Muwaffaq, Abiyyu, Marsudi, Sulis, Istikaanah, Najma, Utomo, Agung, AND Yulianti, Evi. " FUNCTIONAL GROUP AND IONIC CONDUCTIVITY OF CARBOXYMETHYL CELLULOSE (CMC)/LITHIUM TRIFLATE (LiCF3SO3) POLYMER MEMBRANE DISPERSED WITH RICE HUSK ASH SILICA AS SOLID ELECTROLYTE IN SECONDARY BATTERY" Proceeding ICMA-SURE [Online], (10 January 2025)